6. Additional Information
Runco CL-510/ CL-510LT User’s Manual
28
Troubleshooting
7.
Put on the front
lamp cover.
8.
Tighten the screw of
front lamp cover.
9.
Turn on the power and
go into the Set Up menu
to reset the "Lamp
Timer" item.
Problem
Possible Cause
Remedy
This unit does not
turn on.
There is no power from power cable.
Plug the power cord into the AC inlet on the
rear of this unit, and plug the power cord into
to the power inlet.
The power switch is not turned on.
Turn on the power switch.
Turn on this unit again within the
cooling down procedure.
Wait until this unit completes the cooling down
procedure.
Front lamp cover is not attached well.
Correctly attach the front lamp cover.
No picture
The front lamp cover is not correctly
attached.
Correctly attach the front lamp cover.
This unit is not correctly connected to
the input source device.
Check the connection.
The input signal has not been correctly
selected.
Select the correct input signal with the input
keys: Video, S-Video, Component, Component
HD, RGB HD and DVI-I on the remote control.
POWER LED or LAMP LED blinking.
Please contact your Runco dealer for
assistance.
Image is unstable
The connection cables are not
connected to this unit.
Correctly connect the cables to the
appropriate terminals.
Picture is blurred
The projection lens is not correctly
focused.
Adjust the focus of projection lens with the
focus ring.
This unit and the screen are not
aligned squarely.
Adjust the projection angle and direction, and
the height of this unit.
Remote control does
not work correctly
The batteries are exhausted.
Replace both batteries with new ones.
LAMP LED blinks in
red
The front lamp cover is not correctly
attached.
Correctly attach the front lamp cover.
The cooling fan does not work well.
Please contact your Runco dealer for
assistance.
The temperature inside this unit is
extremely high.
Check that the ventilation holes are not
blocked.
POWER LED blinks in
orange and green
sequentially
The lamp has exceed its specified
usage hours.
Replace the lamp with a new one.
The lamp has burned out.
Replace the lamp with a new one.
